Sanitary dust-removing device.



No. 844,535. PATENTED PEB. 19, 1907l "E. 1. NICHOLS. SANITARY, DUST RBMOVING DBVIGF.

APPLIOATIONIILED AUG. 2, 195.

2 SHEETS-SHEET 1.

- ','PAIENTBD FEB. I9, 1907.

I1. 1. NICHOLS.

SANITARY DUST REMOVING DEVICE.

APIPIIIOATION '.E'ILBD AUGLZ, 1905. A

2 SHEETS-SHEET 2.

. w'nemsvew fr@ venia? throughout the several views.,

UNITED' STATES` PATENT. OFFICE. l

FMORY 'I. NICIIOLs, OF sAN FRANCISCO, CALIFORNIA.

SANITARY DUST-REMOVING DEVICE. l

Speccation of Letters Patent. Application mea 'August 2.1905. serai No. 272.389.

Patented Feb. 19,1907.

To allwhomitfmafy concernl: vBe' it known that LEMORF I.' NICHOLS, a

' citizen of the United States, residing inthe city and county ofSan Franciscb' and State of California, have invented an Improvement in Sanita Dust-Removing Devices; and I hereby dec are the following to be aiull, clear, and exact description ofthe same.

My invention relates to im rovements in an apparatus which is designe and arranged 'for the removing and destroying of germs,

fabrics without removing the same from the;

from carpets or other xed dust, and refuse floor or other places where they may be secured.

The obj ect of my inventionv is to construct a cheap, simple, and compact apparatus, all A 1n one machine, for creating a vacuum for reing drawings,

moving and destroying germs, dust, and refuse from upholstery, carpets, and other fixed ormovable articles, whereby the device can be easily moved from place .to place, and can be operated by any inexperienced person.

` With these and other objects in view, which will readily appear, the invention consists inthe novel construction Aand mode of operating the same, hereinafter more fully described, and illustrated in the accompany-- in which similar gures and let-l ters of reference indicate corresponding parts Figurey 1 is a central vertical section showing a general. construction vof a complete device. Fig. 2 is a plan view looking down oni the deviceyshowing the design ofthe generator-sections.' Fig. 3 isa plan view of a modified 4 forni of constructing'the generatorfsec- 'terial and another'overa source ofheat. These sefltions tions.

., A A representsthe steam-generator and,

as shown in Figs. 1, 2, and 3, is composed of a yseries of hollow sections of'any suitable maform desired, arranged one above A-A 'are'connected together -'so as to form one I5 tend up into the recess'3,'form ed-in the upper continuous .water 'and steam-passage through the bottom sectionv As showninFig. 1, the sections are connected at alternate sides, so as toform onecontinuous water and steam passage 4through the hollow space in the sections. In Fig. 1, I have shown the. sections 'connected together by pipes, (or other suitable connections .may be used.) 'The upper Aends-of these pipes 24 exf the whole series of sections, from the wate'i'-, inlet at thetopsection to the steamfoutletat side of the generator-sections A A. The lower ends ofthe pipes 2, which connect the of a ring, and oneor more of these ring-sections may be used in the generator to form a part or all of the tire-box.v

ing device for supplying water to the genera- `tor (through a plainpipe, and connections maybe used, if desired.) The vertical pipe -4`is constructed of copper or brass or a metal that has areater longitudinalexpansion rod or valve-stem 5, which I'make of iron'or steel or a metal that .has a less expansion than the pipe 4.4 .The lower end of the pi e upper end of generator-section A by the. Ls 7 and 8 and the pipe 9. valve-stem 5 is seated in the valve-casing 6, and, the upper end of the rod passes up ,through the. L 7 for the purpose of adjusting the same. Secured to the valve-casing 6 is theWater-supply pipe 10, which can be connected to a hydrant, or a force-pump may bel the pipes 11 and 12 and the valve-casing. 13 to the lower section A of the generator for the steam from t e generator being under pressure is forced through the nozzle -15 into the larger vopening 23'in the ejector, which createsthe sweepers The discharge -end of the ejector C is connected tothe vertical pipe D of any length re uiredv and, as shown, passes up through t egenerator. to the D tends .to increase' the 'vacuum to operate the sweepers;

lnext section below, are shown ush with the The 'heat impartedhave shown the bottom section A inthe form when expose to the action of heat than the. A

4 is secured'to the valve-casing -6, and t e y said plpe is connected to the top The lower end of the rod o'r used for supplying the generator with water.

C C in Figs. 1 and 2 represent'the steamejector 4tor creating thevacuumfor operating.

the sweepe'rs and, as shown, isconnected byv steam-supply to operate the same. The

desired vacuum at 20 to operate the Asshown, the

. i 7S B in Fig. l represents the water-regulat- 1 made in many forms,

.and may be of any design form, receivinglthe oil or gas through the supich is connected to one side of ply-pipe 16, W the burner.,` These burners can be made in many different forms, and I do not confine myself to any one-form. Though I have shown an oil and gas burner, any kind of fuel may be used. The small holes 17' are for the admissionof air whenthe burner is in operationm H, I, and J in Figs. 1 and 2 represent the Y casings which inclose the ste-amenerator 'require j The operation of my eviceis asfollows: First turn ony the gasor oil. and light same, (through opening, 'n'ot shown,)and after the fire has been burning a few minutes the oper- .iss

y arrows in Fig. 1.

ator opens the regulating valve-stem 18v of valve 6 to admit o the roper amount of warough the pipe 4 and ter, which is forced up t into the top section 4A of generator. water will follow the course as The shown by the The top .and coldest section will first fill with water before the water will flow into the next section below, and so on in succession, The hottest section, which is the bottom section, (and, perhaps, the two or three of the hottest sections,) does not contain water, because the temperature of the water being raised in passing from the several sections reaches the .boiling-point be,-

fore` it arrives at the lower section or sec-` tions, and the sections are hotter as theyare nearer the ii're. The connection-pipes 2 prel vent the water in one sectionfrom flowing into the section next below it, and hence on to vthe'. lowest section. The steam is taker-1 from the lower and hottestI section, which passes through the valve 13 and is forced out of nozzle 15 of the ejector C, creating a vacuum and carrying the dust and refuse up through the heated pipe D. Should the operator neglect. to open valve l18, or should the same become stopped by some foreign mater, the yipe 4 willthen become hot. and expand, w ich will open the port 19 and admit the proper amount of water to flow into the generator and will then open and close auto- 5 matically.

Having-thus described my invention, what I claim, and desire to secure by Letters Patent, is-

1. A dust-removing device, consisting`of a steam-generator having a Water-inlet Pre connected to the top of the generator, an a steam-outlet pipe connected to the bottom of the generator, a steam-ejector connected to consisting of a i the generatorand discharging into or through the generator-chamber, a water-regulating ,device consistingof the waterinlet pipe an valve-stem therein being constructed of two different kinds of metal, one havin la-greater expansion when ex than the other, van a heating device located belowthe generator, substantiallyas set forth.

' 3. A dust-removing device, consisting of a steam-generator formed of a series of hollow osed to the actlon of heat' v sections connected together and arranged.4

one4 above another so asto form'one continuous.. Water and. steam passage through the Whole series of sections, from the water-inlet at the top section, to ,the steam-outlet at the botto'm section, and adapted-*to prevent the water from flowing by gravitation through the series of sections, means for forcing waterinto" the generator through the water-inlet pipe connected to the top section, a steaml ejector connected to th'egenerator for creatin la vacuum, and a heating device located below the generator, substantially as set forth. A. 1 j

4. Aidust-removing device, consistin of a steam-generator formed with a series o hollow sections, connected together and ari ranged one above another,'forming onecontinuous water and steam passage through the whole series of sections, a self-re 'lating wa-` ter-supply device, consisting of t e water-inet pipe being formed of a metal yhaving a greater expansion than the valve-stem contained therein, lst-hen the same is exposed to the action of heat, a suitably-designed steamejector connected to the generator for creating a vacuum, a heating device lorated below the generator, and means for discharging the dustand refuse into or through the generatorchamber, substantially. as set forth.

5. In a dust-removing device, a steam-generator consisting-of a series of hollow sections arranged one above another, and connected together, pipes extending u into a recess formed for their reception in-t e upper side of the sections, and designed to prevent the wasection below, means for forcing water into the generator through the water-inlet pipe to the top sec-tion, a steam-outlet pipe connecting the lower section of the generator to a suitably-designed ejector for creating av vacuum, and a' gas or oil burner located below IOO IIC

ter from flowing by gravitation to the next y generated, an ejector, a tube supplying steam from said generator te the nozzle of said ejector, an exhaust-tube leading te the ejector, and a pipe for conveyingto said flue the Inatter discharged from said exhaust-tube by said ejector, said pipe extending` into thc gen# crater and exposed to the heat thereof, to increase the vacuum caused by the ejector, substantially as sot forth..

' 7. ,lhe combination ol' a steam-generator :provided with a llue for carrying off the products ol the combustion by which the steam is generated, a water-regulating` device consisting of a water-inlet ipe and a valve-stern constructed of two diiligerent metals, one having a greater expansion when exposed to the action of heat than the other, an ejector, a tube supplying steam from said generator to the nozzle of. said ejector, an exhaust-tube leading to the ejector, and a ipe for conveying,r to said lluc the matter ischarged from lsaid exhaust-tube by said ejector, substantially as set forth.

.ln testimony whereof I aix my si nature, in resencc of two witnesses, this 271', day of Ju y, 1905.

,EMORY I. NICHOLS.

Witnesses:

MARTIN ARoNsOH, F. B. CARPENTER. 

